參數(shù)資料
型號: 935275617512
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDSO16
封裝: 7.50 MM, LEAD FREE, PLASTIC, MS-013, SOT-162-1, SO-16
文件頁數(shù): 28/33頁
文件大?。?/td> 316K
代理商: 935275617512
2002 Nov 22
4
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
4
BLOCK DIAGRAM
Fig.1 Block diagram (pin numbers apply to DIP16 and SO16 packages).
handbook, full pagewidth
MBD980
I C BUS
CONTROL
2
INPUT
FILTER
1
2
3
14
15
13
INTERRUPT
LOGIC
12
P7
11
P6
10
P5
9
P4
7
P3
6
P2
5
P1
4
P0
8 BIT
I/O
PORT
SHIFT
REGISTER
LP FILTER
WRITE pulse
READ pulse
POWER-ON
RESET
16
8
VDD
VSS
SDA
SCL
A2
A1
A0
INT
PCF8574
相關(guān)PDF資料
PDF描述
933851670112 8 I/O, PIA-GENERAL PURPOSE, PDIP16
935275617118 8 I/O, PIA-GENERAL PURPOSE, PDSO16
933851660118 8 I/O, PIA-GENERAL PURPOSE, PDSO16
935275581512 8 I/O, PIA-GENERAL PURPOSE, PDSO16
935275672118 8 I/O, PIA-GENERAL PURPOSE, PDSO20
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